diff options
author | ru <ru@FreeBSD.org> | 2003-03-11 11:45:43 +0000 |
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committer | ru <ru@FreeBSD.org> | 2003-03-11 11:45:43 +0000 |
commit | 1620c05a8d0e629f775d3a7dd201fc4822387ee4 (patch) | |
tree | a7c1258165b86e8473af6e1d335a71e2424089f1 /usr.sbin/kgzip/i386_a.out.h | |
parent | a88b815b0805cd6a43776e97af0263e0149451e9 (diff) | |
download | FreeBSD-src-1620c05a8d0e629f775d3a7dd201fc4822387ee4.zip FreeBSD-src-1620c05a8d0e629f775d3a7dd201fc4822387ee4.tar.gz |
Convert kgzip(8) to be an i386 cross-tool. This is needed for
cross-releasing i386 on different architectures. This version
provides an i386 version of <a.out.h>, and handles endianness.
Tested on: alpha, sparc64
Diffstat (limited to 'usr.sbin/kgzip/i386_a.out.h')
-rw-r--r-- | usr.sbin/kgzip/i386_a.out.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/usr.sbin/kgzip/i386_a.out.h b/usr.sbin/kgzip/i386_a.out.h new file mode 100644 index 0000000..72d930d --- /dev/null +++ b/usr.sbin/kgzip/i386_a.out.h @@ -0,0 +1,139 @@ +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)exec.h 8.1 (Berkeley) 6/11/93 + * from: FreeBSD: src/sys/sys/imgact_aout.h,v 1.18 2002/09/05 07:54:03 bde Exp $ + * $FreeBSD$ + */ + +#ifndef _I386_AOUT_H_ +#define _I386_AOUT_H_ + +#include <sys/types.h> +#include "endian.h" + +#define __I386_LDPGSZ 4096 + +#define I386_N_GETMAGIC(ex) \ + ( LE32TOH((ex).a_midmag) & 0xffff ) +#define I386_N_SETMAGIC(ex,mag,mid,flag) \ + ( (ex).a_midmag = HTOLE32((((flag) & 0x3f) <<26) | \ + (((mid) & 0x03ff) << 16) | \ + ((mag) & 0xffff)) ) + +#define I386_N_ALIGN(ex,x) \ + (I386_N_GETMAGIC(ex) == ZMAGIC || I386_N_GETMAGIC(ex) == QMAGIC ? \ + ((x) + __I386_LDPGSZ - 1) & ~(uint32_t)(__I386_LDPGSZ - 1) : (x)) + +/* Valid magic number check. */ +#define I386_N_BADMAG(ex) \ + (I386_N_GETMAGIC(ex) != OMAGIC && I386_N_GETMAGIC(ex) != NMAGIC && \ + I386_N_GETMAGIC(ex) != ZMAGIC && I386_N_GETMAGIC(ex) != QMAGIC) + + +/* Address of the bottom of the text segment. */ +/* + * This can not be done right. Abuse a_entry in some cases to handle kernels. + */ +#define I386_N_TXTADDR(ex) \ + ((I386_N_GETMAGIC(ex) == OMAGIC || I386_N_GETMAGIC(ex) == NMAGIC || \ + I386_N_GETMAGIC(ex) == ZMAGIC) ? \ + (LE32TOH((ex).a_entry) < LE32TOH((ex).a_text) ? 0 : \ + LE32TOH((ex).a_entry) & ~__I386_LDPGSZ) : __I386_LDPGSZ) + +/* Address of the bottom of the data segment. */ +#define I386_N_DATADDR(ex) \ + I386_N_ALIGN(ex, I386_N_TXTADDR(ex) + LE32TOH((ex).a_text)) + +/* Text segment offset. */ +#define I386_N_TXTOFF(ex) \ + (I386_N_GETMAGIC(ex) == ZMAGIC ? __I386_LDPGSZ : \ + (I386_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec))) + +/* Data segment offset. */ +#define I386_N_DATOFF(ex) \ + I386_N_ALIGN(ex, I386_N_TXTOFF(ex) + LE32TOH((ex).a_text)) + +/* Relocation table offset. */ +#define I386_N_RELOFF(ex) \ + I386_N_ALIGN(ex, I386_N_DATOFF(ex) + LE32TOH((ex).a_data)) + +/* Symbol table offset. */ +#define I386_N_SYMOFF(ex) \ + (I386_N_RELOFF(ex) + LE32TOH((ex).a_trsize) + LE32TOH((ex).a_drsize)) + +/* String table offset. */ +#define I386_N_STROFF(ex) (I386_N_SYMOFF(ex) + LE32TOH((ex).a_syms)) + +/* + * Header prepended to each a.out file. + * only manipulate the a_midmag field via the + * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros in a.out.h + */ + +struct i386_exec { + uint32_t a_midmag; /* flags<<26 | mid<<16 | magic */ + uint32_t a_text; /* text segment size */ + uint32_t a_data; /* initialized data size */ + uint32_t a_bss; /* uninitialized data size */ + uint32_t a_syms; /* symbol table size */ + uint32_t a_entry; /* entry point */ + uint32_t a_trsize; /* text relocation size */ + uint32_t a_drsize; /* data relocation size */ +}; +#define a_magic a_midmag /* XXX Hack to work with current kern_execve.c */ + +/* a_magic */ +#define OMAGIC 0407 /* old impure format */ +#define NMAGIC 0410 /* read-only text */ +#define ZMAGIC 0413 /* demand load format */ +#define QMAGIC 0314 /* "compact" demand load format */ + +/* a_mid */ +#define MID_ZERO 0 /* unknown - implementation dependent */ +#define MID_SUN010 1 /* sun 68010/68020 binary */ +#define MID_SUN020 2 /* sun 68020-only binary */ +#define MID_I386 134 /* i386 BSD binary */ +#define MID_SPARC 138 /* sparc */ +#define MID_HP200 200 /* hp200 (68010) BSD binary */ +#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */ +#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */ +#define MID_HPUX800 0x20B /* hp800 HP-UX binary */ + +/* + * a_flags + */ +#define EX_PIC 0x10 /* contains position independent code */ +#define EX_DYNAMIC 0x20 /* contains run-time link-edit info */ +#define EX_DPMASK 0x30 /* mask for the above */ + +#endif /* !_I386_AOUT_H_ */ |